Question

Determine the value of x and y in the following systems of equations. 3x+y=9 x-y=-1

Answer 1

x=2, y=3. (2, 3).

Explanation:

3x+y=9

x-y=-1

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4x=8

x=8/4=2

2-y=-1

y=2-(-1)=2+1=3